How to convert column values into dates for plotting ggplot in R
I would like to convert my column that has specific dates for each month. Ex: I converted my col that has abbreviations for each month to match the specific date data is collected. Reference...
View ArticleQuestion regarding use of Rep() function in R
How can I generate a vector, which has a value of 1 for the first four rows, 2 for the next four rows, etc. until you have 40 four times In R.
View ArticleIs there anyone can interpret the results about basic regular expression...
1.test1 # [1] "abcd""abc1""ab2b""a3cd""4bcd" test1[grep('[^abc1-3]', test1)] # [1] "abcd""a3cd""4bcd" test1[grep('[^a-d1-3]', test1)] # [1] "4bcd" test1[grep('[^4]', test1)] # [1]...
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How to include bar with NAs in geom_histogram?
I am trying to create a histogram of a continuous variable (1-10) with a bar a little to the side that says how many NAs are in the vector. I am using geom_histogram() from ggplot2. Here is an...
View Articleset a loop to use a function in r
I have a dataframe with three columns and I would like to calculate 95% Upper tolerance levels for each variable in media. Here is how the data looks like: So, for plastic and water I need to calculate...
View ArticleAnalytics for shiny apps on GitHub
Is it possible to gather any sort of usage analytics for an R shiny app whose source code is on GitHub but that is only run locally? For instance, one of the following:Number of times the code is...
View Articlehow put kernel matrix in a diagonal of a matrix?
I have a data set with 9200 rows and 6 columns. I found the kernel of this data frame with the following code: #kernel library("kernlab", "v0.9-27") D<-as.matrix(X1) rbf <- rbfdot(sigma = 0.05)...
View ArticleTinyTex and Vitae failing to produce a bibliography output in template examples
Each of the provided template Rmd setups from vitae do this. The current output below is from the vitae::hyndman template.It looks like it might be the UTF-8 error as the bibtex file does use french...
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brms: how do I set prior on categorical variable?
I am building a binomial regression model using 2 categorical variables. This is from an example in the book, Statistical rethinking. In the book, while using the rethinking package, we can set priors...
View ArticleHow to create dataframe subsets split by week? [duplicate]
This question already has an answer here:Split data.frame based on levels of a factor into new data.frames 2 answersI have data that looks like the following. I'm fairly new to programming and am not...
View ArticleRewrite variable values based on another variable of same df
Let´s say I have a dataframe, df. This df has 3 columns: Names, D and R.Now, R has been filled with a constant value for each name, but only accordingly to the maximum value that D has. The problem is...
View Articledevtools::document() not creating data.R man files
In my R package, I have documented some functions and data in the roxygen2 format, but running devtools::document() only produces .Rd files for the functions I have documented, and not the data. Here...
View ArticleHow do I skip a loop iteration based on the value of the last iteration...
I am looping over a vector and I would like to know how to "skip" an iteration based on the last iteration.For example: The first iteration will hit the 1, then the second will hit another 1, but I...
View ArticlePrevent Machine Learning Services (R) on SQL Server taking up high levels of CPU
I have had Machine Learning Service installed on SQL Server to be able to run R scripts (called from Stored Procedures).There are now several of these Stored Procedures as part of a script to populate...
View ArticleIs there a way to protect my R code that runs on a AWS account owned by a...
I just joined a company that, for some reason, needs to build an ETL pipeline inside an AWS account owned by a client. There's one part of the ETL pipeline that runs a code written in R. The problem...
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How to distinguish between overlapping data labels?
My data labels overlap on my plot and even after using ggrepel it still occurs. Is there a way to re-position specific data labels? The problem is that each point has been coloured and if that point...
View ArticleIs there a way to determine which 2 dates a specific date is between?...
This question already has an answer here:Find index of value in a sorted vector in R 2 answersI am trying to find out which two date values of a vector a specific date is between. I am not really sure...
View ArticleDetermine if all IDs in the column of one data.frame are in a column of a...
I have two data.frame tables in R. Both have IDs for users who took particular actions. The users in the second table should all have done the actions in the first table, but I want to confirm. What...
View Articlesingularity issue in mlogit model when model contains interaction
I'm using below r command on my choice model data which is perfectly working:mlmodel_BL <- mlogit(choice ~ Price + Feature + Brloy , data = mldata_BL, reflevel = "Brand4")but when I want to add...
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Using R Column labels in output
My R data file has sequential names and also labels for the columns. When I run any analysis the results come with sequential column names. How can I get column labels instead?
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